97200556648 has 32 divisors (see below), whose sum is σ = 196289301600. Its totient is φ = 44857464768.

The previous prime is 97200556639. The next prime is 97200556667. The reversal of 97200556648 is 84665500279.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 97200556595 and 97200556604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202515 + ... + 1280797.

It is an arithmetic number, because the mean of its divisors is an integer number (6134040675).

Almost surely, 2^97200556648 is an apocalyptic number.

It is an amenable number.

97200556648 is an abundant number, since it is smaller than the sum of its proper divisors (99088744952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97200556648 is a wasteful number, since it uses less digits than its factorization.

97200556648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90241 (or 90237 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 97200556648 in words is "ninety-seven billion, two hundred million, five hundred fifty-six thousand, six hundred forty-eight".